Start here first!

Web Resources

Arkive: Images of Life on Earth
National Geographic Kids
Encyclopedia of Life
San Diego Zoo
Honolulu Zoo
Australian Animals
Encyclopedia Smithsonian: Zoology
American Cetacean Society
Animal Diversity Web
Smithsonian National Zoological Park
Defenders of Wildlife
Endangered Earth
World Wildlife Federation: Endangered Species
Bagheera: Endangered Species
Kids' Planet Especies Animal Fact Sheets
American Museum of Natural History: Endangered! - use search
Houston Toad
The Peregrine Fund
Lincoln Park Zoo
Cetaceans: Whales, Dolphins, and Porpoises
UK Safari - not necessarily endangered animals

Subscription Databases

World Book Online
Gale eBooks

Portals

Internet Public Library
KidsClick
Shambles
Awesome Library
Virtual Middle School Library: Animals

Image by konjure at http://www.flickr.com/photos/bradpolzin/2974334926/

Smithsonian Institute's Ocean Portal